Table 2 Averaged analytical results for San Carlos olivine, synthetic olivine, and MgO by new EPMA method
From: High precision measurement of trace F and Cl in olivine by electron probe microanalysis
Sample | Na2O (wt%) | MgO (wt%) | CaO (wt%) | MnO (wt%) | FeO (wt%) | SiO2 (wt%) | F (ppm) | Total (wt%) |
|---|---|---|---|---|---|---|---|---|
Synthetic ol (Fo = 0) | 0.12 ± 0.10 | bdl | bdl | bdl | 69.11 ± 0.18 | 29.70 ± 0.66 | 4000 ± 108 | 99.32 ± 0.60 |
Synthetic ol (Fo = 30) | bdl | 13.07 ± 0.36 | bdl | bdl | 53.58 ± 0.50 | 32.72 ± 0.44 | 3340 ± 68 | 99.76 ± 0.70 |
Synthetic ol (Fo = 50) | bdl | 23.89 ± 0.50 | bdl | 0.16 ± 0.06 | 40.67 ± 0.34 | 35.17 ± 0.42 | 2656 ± 30 | 100.21 ± 0.70 |
Synthetic ol (Fo = 70) | bdl | 35.67 ± 0.60 | bdl | 0.12 ± 0.06 | 26.14 ± 0.86 | 37.74 ± 0.70 | 1927 ± 18 | 99.87 ± 1.04 |
San Carlos ol | bdl | 49.04 ± 0.38 | 0.10 ± 0.02 | 0.16 ± 0.04 | 9.48 ± 0.26 | 40.69 ± 0.24 | 1086 ± 32 | 99.56 ± 0.66 |
Synthetic MgO | bdl | 99.81 ± 0.32 | bdl | bdl | bdl | bdl | 295 ± 22 | 99.84 ± 0.32 |